somandal commented on code in PR #10228:
URL: https://github.com/apache/pinot/pull/10228#discussion_r1099621725
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pinot-query-planner/src/test/resources/queries/OrderBy.json:
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@@ -0,0 +1,58 @@
+{
+ "order_by_planning_tests": {
Review Comment:
I was trying to see how alias works with WindowFunctions and looks like it
doesn't work! The plan looks no different than if the alias is not present.
Will need to look into this. I will add a few alias tests for the other types
where it does work.
In the `CalcRelSplitter::execute()` there is a block of code which is
overwriting the aliases by setting the rel to the input:
```
// Sometimes a level's program merely projects its inputs. We don't
// want these. They cause an explosion in the search space.
if (rel instanceof LogicalCalc
&& ((LogicalCalc) rel).getProgram().isTrivial()) {
rel = rel.getInput(0);
}
```
For now is it alright if I add a note that we need to look into this for
window functions?
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